Add nil checks on HHGear to rope steps.

issue #871 in hedgewars: "Hedgehog dropping into water while still attached to a rope makes engine crash" Due to doStepRopeWork's being completely skipped 75% of the ticks - including drowning/detachment-condition checks

add a couple of onGearDamage callbacks to mine/barrel fall damage

issue #867: Update German mission strings

small code tweak

fix for issue #855: Failure to teleport rarely makes engine crash

issue #829: Drill rocket drilling dust is slightly misplaced

issue #852: Using blowtorch to dig through the wrap-around border in caves fails miserably

Some fixes and (really lazy) fixes

issue #768: Bee: Camera focus lost

issue #865: gfResetHealth is not exposed to Lua

make use of onGearWaterSkip

issue #755: Lua API: Add ammo type parameter for onHogAttack

lua API event: onGearWaterSkip

remove links from doxygen project number as doxygen escapes them now

Some ru l10n updates

use TeamsCount instead of cMaxTeams in a few loops

Use notice and skip join on irc

remove a not that somehow magically appeared in a prior commit.

make camera in wrap mode a bit smarter

world edge tweakes/fixes

fix size of PtrInt. enable tests for pas2c (all passing now)

pas2c doesn't like semi-colons after repeat

fix copypasta